Tried to watch hockey outside, so set up my Optik box outside and connected by wifi. I have 300mb speed and had a full connection, not far from the router, but the playback kept freezing and the playing and then freezing. The TV is a 55" 1080p HD (not 4K). Tried swapping TV to a smaller 40" HD TV and it played perfect. Why does the Optik box not work on wifi with my 55" TV?